1 /****************************************************************************
2 ****************************************************************************
4 *** This header was automatically generated from a Linux kernel header
5 *** of the same name, to make information necessary for userspace to
6 *** call into the kernel available to libc. It contains only constants,
7 *** structures, and macros generated from the original header, and thus,
8 *** contains no copyrightable information.
10 ****************************************************************************
11 ****************************************************************************/
12 #ifndef __LINUX_PERCPU_H
13 #define __LINUX_PERCPU_H
14 #include <linux/spinlock.h>
15 #include <linux/slab.h>
16 #include <linux/smp.h>
17 #include <linux/string.h>
18 #include <asm/percpu.h>
20 #ifndef PERCPU_ENOUGH_ROOM
21 #define PERCPU_ENOUGH_ROOM 32768
24 #define get_cpu_var(var) (*({ preempt_disable(); &__get_cpu_var(var); }))
25 #define put_cpu_var(var) preempt_enable()
27 #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); (ptr); })
29 #define alloc_percpu(type) ((type *)(__alloc_percpu(sizeof(type))))